[time-nuts] Nortel GPSDO osc age alarm

[Jim Lux]

On 1/24/14 11:57 AM, Volker Esper wrote:
> Nice! I didn't know that. But what a number, 300... Why such a
> digital-hostile factor? Why not 256 or 512?
>
> Volker
>
>
> Am 24.01.2014 20:51, schrieb TMiller at skylinenet.net:
>> 9.8304 MHz divided by 300 is 32,768 Hz.
>> Feed that to an electronic clock and you will have an atomic clock of sorts.
>>
>> Regards


9.8304 is 300 baud * 32768.  So you can generate all the conventional 
digital data rates (1200,2400,.., 38.4k with powers of two).  Typically, 
a UART wants to see a clock that is 16x or 8x bit time, so you need 
something a bit higher.